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APA ZitierstilCrişan, V. (2010). Covasna - Fairies Fortress: A Carpathian mountain fortified by Dacians. Cluj-Napoca: Editura Mega.
Chicago ZitierstilCrişan, Viorica. Covasna - Fairies Fortress: A Carpathian Mountain Fortified By Dacians. Cluj-Napoca: Editura Mega, 2010.
MLA ZitierstilCrişan, Viorica. Covasna - Fairies Fortress: A Carpathian Mountain Fortified By Dacians. Cluj-Napoca: Editura Mega, 2010.